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Security Bulletin: A vulnerability in IBM Spectrum Scale that could allow a local attacker which has access to the GUI pod can ssh to the core pods as a privileged user (CVE-2021-29708)

Security Bulletin


A security vulnerability has been identified in IBM Spectrum Scale CNSA that could allow a local attacker which has access to the GUI pod can ssh to the core pods as a privileged user . A fix for this vulnerability is available.

Vulnerability Details

CVEID:   CVE-2021-29708
DESCRIPTION:   IBM Spectrum Scale could allow a local with access to the GUI pod container to obtain sensitive cryptographic keys that could allow them to elevate their privileges.
CVSS Base score: 6.7
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Spectrum Scale (CNSA)


For IBM Spectrum Scale CNSA V5.1.0.1, apply Spectrum Scale CNSA V5.1.0.3 or later available from FixCentral at:

If you cannot apply the latest level of service, contact IBM Service.

Workarounds and Mitigations


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Change History

13 May 2021: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.


According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document Location


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Document Information

Modified date:
24 May 2021